{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/UpdateTransferRequest",
  "title": "UpdateTransferRequest",
  "type": "object",
  "description": "Request body for updating transfer metadata.",
  "properties": {
    "metadata": {
      "type": "object",
      "description": "Updated custom key-value pairs for the transfer.",
      "additionalProperties": {
        "type": "string"
      }
    }
  }
}